<html>
<body>
<form action="demo-form.php" method="get">
E-mail: <input type="email" name="userid"><br>
<button type="submit">Submit</button><br>
<button type="submit" formnovalidate>Submit without validation</button>
</form>
<p><strong>Note:</strong> The formnovalidate attribute of the button tag is not supported in Internet Explorer 9 and earlier versions, or in Safari.</p>
</body>
</html>